Patents by Inventor Sandor Einstein

Sandor Einstein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7712417
    Abstract: A modular propellant charge for semi-fixed ammunition is disclosed. The propellant charge is disposed within an ammunition cartridge canister, and permits direct access to each charge increment. Further, the propellant charge comprises at least one charge increment comprising a rigid section of a cylindrical solid of rotation, and each charge increment has a length less than the central cavity of said ammunition canister.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: May 11, 2010
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Sandor Einstein, Adriana Eng, Donald Chiu